.page-cont {
  height: 100vh;
  display: flex;
  flex-direction: column;
  .list {
    flex: 1;
    height: 0;
    overflow: hidden;
    overflow-y: auto;
    .b {
      height: 10px;
      background: #f5f5f5;
    }
  }
  .bottom {
    border-radius: 0;
  }
  .btn {
    margin: 5px 15px;
  }
}